/* ============================================================
   TerraGrid — Robotics-as-a-Service
   Palette rule: --green on light surfaces, --green-lit on dark
   ============================================================ */

:root {
  /* surfaces */
  --soil:      #14170F;
  --soil-2:    #1E2318;
  --bone:      #F4F1E8;
  --bone-2:    #EAE5D8;
  --card:      #FFFFFF;

  /* ink */
  --ink:       #191C15;
  --ink-soft:  #5E6455;
  --ink-lit:   #F2F0E6;
  --ink-lit-soft: rgba(242,240,230,.68);

  /* accent */
  --green:     #2F7D4F;
  --green-deep:#245F3C;
  --green-lit: #35C46A;

  --line:      #DCD6C6;
  --line-dark: rgba(242,240,230,.14);

  /* type */
  --display: "Bricolage Grotesque", "Instrument Sans", system-ui, sans-serif;
  --body:    "Instrument Sans", system-ui, -apple-system, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* rhythm */
  --shell: 1180px;
  --pad: 24px;
  --r-sm: 10px;
  --r:    18px;
  --r-lg: 26px;
  --section-y: clamp(72px, 9vw, 128px);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--green-lit);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: absolute; left: -9999px;
  background: var(--soil); color: var(--ink-lit);
  padding: 12px 18px; z-index: 100; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; top: 0; }

/* ─────────── type ─────────── */

.h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.06;
  letter-spacing: -.022em;
  margin: 0 0 8px;
}
.h2-tight { margin-bottom: 14px; }

.lede {
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.6vw, 19px);
  margin: 0 0 40px;
}

.mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* eyebrow + the four-square mark (4 rows / the TerraGrid glyph) */
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 22px;
}
.mark { display: grid; grid-template-columns: repeat(2, 5px); gap: 2px; flex: none; }
.mark i { width: 5px; height: 5px; background: var(--green); border-radius: 1px; }
.mark i:nth-child(2) { opacity: .45; }
.mark i:nth-child(3) { opacity: .7; }

.eyebrow-lit { color: var(--ink-lit-soft); }
.eyebrow-lit .mark i { background: var(--green-lit); }

/* ─────────── buttons ─────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--body);
  font-weight: 600; font-size: 15px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease,
              color .18s ease, transform .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }

.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-deep); }

.btn-ghost {
  background: transparent;
  color: var(--ink-lit);
  border-color: rgba(242,240,230,.42);
}
.btn-ghost:hover { border-color: var(--ink-lit); background: rgba(242,240,230,.08); }

/* the header sits on the dark band → use the logo's brighter green */
.site-header .btn-primary { background: var(--green-lit); color: var(--soil); }
.site-header .btn-primary:hover { background: #46d47b; }

/* ─────────── header (dark band) ─────────── */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--soil);
  border-bottom: 1px solid var(--line-dark);
}
.header-inner {
  display: flex; align-items: center; gap: 28px;
  min-height: 74px;
}
.brand { flex: none; display: flex; align-items: center; }
.brand img { height: 34px; width: auto; }

.nav {
  display: flex; gap: 30px;
  margin-left: auto;
  font-size: 15px;
}
.nav a {
  color: var(--ink-lit-soft);
  text-decoration: none;
  transition: color .18s ease;
}
.nav a:hover { color: var(--ink-lit); }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  background: none; border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  cursor: pointer;
  padding: 0;
  place-items: center; gap: 5px;
}
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink-lit); }

.mobile-nav {
  display: none;
  flex-direction: column; gap: 4px;
  padding: 8px var(--pad) 22px;
  background: var(--soil);
  border-top: 1px solid var(--line-dark);
}
.mobile-nav a {
  color: var(--ink-lit);
  text-decoration: none;
  padding: 12px 2px;
  font-size: 16px;
}
.mobile-nav .btn { margin-top: 10px; }
.mobile-nav[hidden] { display: none; }

/* ─────────── hero ─────────── */

.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--soil);
}
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(10,12,8,.90) 0%, rgba(10,12,8,.66) 42%, rgba(10,12,8,.22) 78%),
    linear-gradient(to top, rgba(10,12,8,.72) 0%, rgba(10,12,8,0) 45%);
}
.hero-inner {
  position: relative;
  padding-block: clamp(90px, 14vw, 150px);
}
.hero-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(38px, 6.6vw, 82px);
  line-height: .98;
  letter-spacing: -.032em;
  color: var(--ink-lit);
  margin: 0 0 22px;
  max-width: 15ch;
}
.hero-sub {
  color: var(--ink-lit-soft);
  font-size: clamp(16px, 1.8vw, 20px);
  max-width: 50ch;
  margin: 0 0 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ─────────── sections ─────────── */

.section {
  padding-block: var(--section-y);
  scroll-margin-top: 90px; /* clears the sticky header on anchor jumps */
}
.section-alt { background: var(--bone-2); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.split-body { color: var(--ink-soft); }
.split-body p { margin: 0 0 18px; }
.split-body p:last-child { margin-bottom: 0; }

/* ─────────── problem stats ─────────── */

.stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 64px);
  margin-top: clamp(38px, 5vw, 60px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat-num {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(44px, 6vw, 68px);
  line-height: .9;
  letter-spacing: -.04em;
  color: var(--green);
  margin-bottom: 10px;
}
.stat-label {
  display: block;
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 34ch;
}
/* ─────────── SIGNATURE: the planting grid ─────────── */

.planting {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: clamp(44px, 6vw, 76px);
}
.planting-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 26px 30px;
}
.planting-head { margin-bottom: 22px; }
.planting-label {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.01em;
}
.planting-label .dot {
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--green);
}
.planting-note {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  margin-top: 6px;
}

.grid-field {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  gap: 7px;
}
.grid-row { display: grid; grid-auto-flow: column; gap: 5px; }
.cell {
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--bone-2);
  transform: scale(.62);
  opacity: .5;
  transition: background-color .34s ease, transform .34s ease, opacity .34s ease;
}
.section-alt .cell { background: #DDD7C6; }
.cell.on {
  background: var(--green);
  transform: scale(1);
  opacity: 1;
}

/* each square placed by hand lands with visible effort */
[data-grid="manual"] .cell.on { background: #7E9A63; }

/* the machine snaps four rows into place at once */
[data-grid="terragrid"] .cell { transition-duration: .11s; }

@media (prefers-reduced-motion: reduce) {
  .cell { transition: none; }
}

/* ─────────── services ─────────── */

.services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.svc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 28px 26px;
  display: flex; flex-direction: column;
}
.svc h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 23px;
  letter-spacing: -.015em;
  margin: 0 0 12px;
}
.svc > p {
  color: var(--ink-soft);
  font-size: 15.5px;
  margin: 0 0 22px;
}
.spec {
  list-style: none;
  margin: auto 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid; gap: 9px;
}
.spec li {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
}
.spec li::before {
  content: ""; position: absolute; left: 0; top: .52em;
  width: 5px; height: 5px; border-radius: 1px;
  background: var(--green);
}

.machine {
  margin: 24px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  background: var(--soil);
}
.machine img {
  width: 100%;
  height: clamp(280px, 42vw, 520px);
  object-fit: cover;
  object-position: center 62%;
}
.machine figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 44px 30px 26px;
  background: linear-gradient(to top, rgba(10,12,8,.88), rgba(10,12,8,0));
  color: var(--ink-lit);
  font-size: 15px;
}
.machine .cap-text { display: block; max-width: 60ch; }
.machine figcaption .mono {
  display: block;
  color: var(--green-lit);
  margin-bottom: 6px;
}

/* ─────────── traction ─────────── */

.traction {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
.traction-main { display: grid; gap: 16px; }

.loi {
  display: flex; gap: 22px; align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
}
.loi-num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 62px;
  line-height: .8;
  letter-spacing: -.04em;
  color: var(--green);
  flex: none;
}
.loi strong {
  display: block;
  font-family: var(--display);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
}
.loi p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.backer, .partners {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 28px;
}

/* the two delivery partners sit side by side so the column stays balanced */
.partner-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.partner-pair .backer { height: 100%; }
.backer-tag, .partners-tag { color: var(--green); margin: 0 0 10px; }
.backer h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -.015em;
  margin: 0 0 8px;
}
.backer p:last-child { margin: 0; color: var(--ink-soft); font-size: 15px; }

.partners ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.partners li {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bone);
}

.traction-figure { margin: 0; border-radius: var(--r-lg); overflow: hidden; }
.traction-figure img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }

/* ─────────── form ─────────── */

.form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 3.4vw, 40px);
}
.form-standing {
  margin: 0 0 30px;
  padding: 16px 20px;
  border-radius: var(--r);
  background: var(--bone);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  font-size: 15px;
  color: var(--ink-soft);
}
.form-standing strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 4px;
}

.picker { border: 0; padding: 0; margin: 0 0 30px; }
.picker legend {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0; margin-bottom: 14px;
}
.picker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.pick { position: relative; cursor: pointer; }
.pick input {
  position: absolute; opacity: 0;
  width: 100%; height: 100%; margin: 0; cursor: pointer;
}
.pick-body {
  display: block;
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  padding: 18px 20px;
  transition: border-color .18s ease, background-color .18s ease;
}
.pick:hover .pick-body { border-color: #BEB6A0; }
.pick input:checked + .pick-body {
  border-color: var(--green);
  background: rgba(47,125,79,.06);
}
.pick input:focus-visible + .pick-body {
  outline: 3px solid var(--green-lit);
  outline-offset: 2px;
}
.pick-title {
  display: block;
  font-family: var(--display);
  font-weight: 700; font-size: 18px;
  letter-spacing: -.01em;
}
.pick-note {
  display: block;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .06em;
  color: var(--ink-soft);
  margin-top: 4px;
}

.fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.field { display: flex; flex-direction: column; }
.field-wide { grid-column: 1 / -1; }
.field label {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.field input, .field textarea {
  font-family: var(--body);
  font-size: 16px;
  color: var(--ink);
  background: var(--bone);
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  padding: 14px 16px;
  width: 100%;
  transition: border-color .18s ease, background-color .18s ease;
}
.field textarea { resize: vertical; }
.field input:hover, .field textarea:hover { border-color: #BEB6A0; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  background: var(--card);
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: 3px solid var(--green-lit);
  outline-offset: 2px;
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #B4442F; }

.err {
  font-size: 13.5px;
  color: #B4442F;
  margin: 8px 0 0;
}

.form-foot {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 18px;
  margin-top: 28px;
}
.form-note { margin: 0; font-size: 14px; color: var(--ink-soft); }

.form-done {
  margin-top: 22px;
  padding: 20px 24px;
  border-radius: var(--r);
  background: rgba(47,125,79,.09);
  border: 1px solid rgba(47,125,79,.3);
}
.form-done strong {
  display: block;
  font-family: var(--display);
  font-size: 19px; font-weight: 700;
  margin-bottom: 4px;
}
.form-done span { color: var(--ink-soft); font-size: 15px; }
.form-done[hidden] { display: none; }

/* ─────────── footer (dark band) ─────────── */

.site-footer {
  background: var(--soil);
  color: var(--ink-lit);
  padding-top: clamp(56px, 7vw, 88px);
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  padding-bottom: 52px;
}
.footer-brand img { height: 34px; width: auto; margin-bottom: 18px; }
.footer-brand p {
  margin: 0;
  color: var(--ink-lit-soft);
  max-width: 38ch;
  font-size: 15px;
}
.footer-col h4 { margin: 0 0 16px; color: var(--green-lit); font-weight: 500; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-col li { color: var(--ink-lit-soft); font-size: 15px; }
.footer-col a { text-decoration: none; transition: color .18s ease; }
.footer-col a:hover { color: var(--ink-lit); }

.footer-base {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  border-top: 1px solid var(--line-dark);
  padding-block: 24px 30px;
}
.footer-base p {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .08em;
  color: rgba(242,240,230,.5);
}

/* ─────────── toast ─────────── */

.toast {
  position: fixed;
  left: 50%; bottom: 28px;
  z-index: 80;
  display: flex; align-items: center; gap: 14px;
  max-width: min(520px, calc(100vw - 32px));
  padding: 16px 18px 16px 20px;
  background: var(--soil);
  color: var(--ink-lit);
  border: 1px solid rgba(53,196,106,.34);
  border-radius: var(--r);
  box-shadow: 0 18px 44px rgba(10,12,8,.34);
  transform: translate(-50%, 14px);
  opacity: 0;
  transition: opacity .26s ease, transform .26s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast[hidden] { display: none; }

.toast-mark { display: grid; grid-template-columns: repeat(2, 6px); gap: 2px; flex: none; }
.toast-mark i { width: 6px; height: 6px; background: var(--green-lit); border-radius: 1px; }
.toast-mark i:nth-child(2) { opacity: .45; }
.toast-mark i:nth-child(3) { opacity: .7; }

.toast-text { flex: 1; font-size: 15px; }

.toast-close {
  flex: none;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: none; border: 0;
  color: var(--ink-lit-soft);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  border-radius: 6px;
  transition: color .18s ease, background-color .18s ease;
}
.toast-close:hover { color: var(--ink-lit); background: rgba(242,240,230,.1); }

@media (prefers-reduced-motion: reduce) {
  .toast { transition: none; transform: translate(-50%, 0); }
}

/* ─────────── responsive ─────────── */

@media (max-width: 940px) {
  .split { grid-template-columns: 1fr; gap: 22px; }
  .services { grid-template-columns: 1fr; }
  .traction { grid-template-columns: 1fr; }
  .traction-figure img { min-height: 260px; }
  .partner-pair { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: grid; }
  .mobile-nav { display: none; }
  .mobile-nav.open { display: flex; }
  .planting { grid-template-columns: 1fr; }
  .picker-grid { grid-template-columns: 1fr; }
  .fields { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { min-height: 0; }
  /* let the headline find its own breaks on narrow screens */
  .hero-title br { display: none; }
  .hero-title { max-width: none; }
  .loi { gap: 16px; }
  .loi-num { font-size: 48px; }
  .stat-row { grid-template-columns: 1fr; gap: 28px; }
  .toast { left: 16px; right: 16px; bottom: 16px; max-width: none; transform: translateY(14px); }
  .toast.show { transform: translateY(0); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-base { flex-direction: column; }
}